PCB概念股拉升，金安国纪涨停

Group 1 - PCB concept stocks experienced a surge, with Jin'an Guoji (002636) hitting the daily limit up [1] - Pengding Holdings (002938) rose over 7%, indicating strong market interest [1] - Other companies such as Zhongjing Electronics (002579), Shennan Circuit (002916), Yihau New Materials (301176), and Guanghe Technology (001389) also saw increases in their stock prices [1]